imPC@ndo IT

Tracker / CVE-2021-25642

CVE-2021-25642

High 8.8

ZKConfigurationStore which is optionally used by CapacityScheduler of Apache Hadoop YARN deserializes data obtained from ZooKeeper without validation. An attacker having access to ZooKeeper can run arbitrary commands as YARN user by exploiting this. Users should upgrade to Apache Hadoop 2.10.2, 3.2.4, 3.3.4 or later (containing YARN-11126) if ZKConfigurationStore is used.

Affected products and versions

apache hadoop · 2.9.0 → 2.10.2
apache hadoop · 3.0.0 → 3.2.4
apache hadoop · 3.3.0 → 3.3.4

Analysis

This page is not indexable yet.Until it carries original analysis — what it actually exposes, how to check in two minutes whether a system was touched, what to do if it was — the page stays noindex. The database decides that, not the template.

References